🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 9.7

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.58 AU - 0.84 AU

Year: 392 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,318,108 km

• M1: 120,875 km (0.052 R)
• M2: 445,502 km (0.062 R)
• M3: 758,162 km (0.114 R)
• M4: 1,165,068 km (0.061 R)
• M5: 1,673,701 km (0.028 R)
• M6: 2,479,884 km (0.047 R)
• M7: 2,944,535 km (0.064 R)
• M8: 3,248,368 km (0.091 R)
• M9: 3,719,153 km (0.107 R)
• M10: 4,667,005 km (0.096 R)
• M11: 5,159,032 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 14.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.64 AU - 0.82 AU

Year: 409 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,318,108 km

• M1: 175,628 km (0.101 R)
• M2: 697,874 km (0.104 R)
• M3: 1,193,193 km (0.058 R)
• M4: 1,668,615 km (0.101 R)
• M5: 2,149,123 km (0.034 R)
• M6: 2,722,980 km (0.064 R)
• M7: 3,265,722 km (0.08 R)
• M8: 3,819,383 km (0.062 R)
• M9: 4,641,424 km (0.093 R)
• M10: 5,177,433 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 9.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.93 AU - 1.31 AU

Year: 778 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,318,108 km

• M1: 119,828 km (0.116 R)
• M2: 443,408 km (0.101 R)
• M3: 913,893 km (0.03 R)
• M4: 2,116,959 km (0.034 R)
• M5: 2,414,659 km (0.07 R)
• M6: 2,885,743 km (0.115 R)
• M7: 3,586,160 km (0.067 R)
• M8: 4,230,777 km (0.054 R)
• M9: 4,723,403 km (0.114 R)
• M10: 5,016,914 km (0.103 R)
• M11: 6,047,344 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 8.2

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.01 AU - 1.45 AU

Year: 895 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,318,108 km

• M1: 102,026 km (0.094 R)
• M2: 394,190 km (0.108 R)
• M3: 915,090 km (0.116 R)
• M4: 1,255,276 km (0.113 R)
• M5: 1,533,528 km (0.112 R)
• M6: 1,796,820 km (0.068 R)
• M7: 2,227,961 km (0.116 R)
• M8: 2,701,887 km (0.118 R)
• M9: 3,255,399 km (0.096 R)
• M10: 3,589,451 km (0.068 R)
• M11: 3,866,656 km (0.111 R)
• M12: 4,191,433 km (0.097 R)
• M13: 4,464,449 km (0.109 R)
• M14: 5,103,232 km (0.028 R)
• M15: 5,474,684 km (0.087 R)
• M16: 6,033,581 km (0.036 R)
• M17: 6,907,532 km (0.11 R)
• M18: 8,793,662 km (0.114 R)
• M19: 9,072,512 km (0.05 R)
• M20: 9,328,474 km (0.043 R)
• M21: 10,308,789 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 12.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.26 AU - 1.64 AU

Year: 1145 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,318,108 km

• M1: 158,424 km (0.111 R)
• M2: 567,574 km (0.111 R)
• M3: 978,968 km (0.074 R)
• M4: 1,523,804 km (0.086 R)
• M5: 1,999,376 km (0.083 R)
• M6: 2,598,964 km (0.097 R)
• M7: 3,286,964 km (0.12 R)
• M8: 3,843,468 km (0.067 R)
• M9: 4,701,711 km (0.115 R)
• M10: 5,308,032 km (0.034 R)
• M11: 5,856,457 km (0.118 R)
• M12: 6,701,835 km (0.042 R)
• M13: 7,601,068 km (0.118 R)
• M14: 8,161,761 km (0.077 R)
• M15: 10,200,929 km (0.066 R)
• M16: 10,950,564 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.7

Radius: 8.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.67 AU - 2.05 AU

Year: 1664 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,318,108 km

• M1: 102,026 km (0.087 R)
• M2: 636,240 km (0.102 R)
• M3: 1,002,605 km (0.1 R)
• M4: 1,283,999 km (0.088 R)
• M5: 1,755,531 km (0.102 R)
• M6: 2,600,161 km (0.111 R)
• M7: 3,099,369 km (0.045 R)
• M8: 3,629,693 km (0.097 R)
• M9: 4,099,879 km (0.097 R)
• M10: 5,241,311 km (0.101 R)
• M11: 5,546,790 km (0.111 R)
• M12: 6,581,708 km (0.093 R)
• M13: 6,937,601 km (0.042 R)
• M14: 8,630,900 km (0.068 R)
• M15: 10,874,868 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 8

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.09 AU - 4.25 AU

Year: 5586 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,318,108 km

• M1: 99,483 km (0.092 R)
• M2: 920,625 km (0.063 R)
• M3: 1,323,492 km (0.117 R)
• M4: 1,573,171 km (0.092 R)
• M5: 3,577,783 km (0.049 R)
• M6: 4,293,758 km (0.073 R)
• M7: 4,960,516 km (0.094 R)
• M8: 5,422,175 km (0.084 R)
• M9: 6,071,430 km (0.105 R)
• M10: 6,398,301 km (0.117 R)
• M11: 7,016,290 km (0.072 R)
• M12: 8,410,841 km (0.107 R)
• M13: 9,670,306 km (0.114 R)
• M14: 10,670,667 km (0.118 R)
• M15: 11,099,115 km (0.086 R)
• M16: 11,939,855 km (0.044 R)
• M17: 13,089,963 km (0.093 R)
• M18: 13,470,839 km (0.049 R)
• M19: 14,833,526 km (0.109 R)
• M20: 16,348,355 km (0.103 R)
• M21: 17,830,421 km (0.066 R)
• M22: 18,164,173 km (0.091 R)
• M23: 20,254,654 km (0.087 R)
• M24: 20,838,086 km (0.105 R)
• M25: 21,810,023 km (0.106 R)
• M26: 25,073,501 km (0.077 R)
• M27: 31,567,245 km (0.077 R)
• M28: 32,252,852 km (0.086 R)
• M29: 32,748,470 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 10.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.68 AU - 6.5 AU

Year: 8670 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,318,108 km

• M1: 130,898 km (0.071 R)
• M2: 775,216 km (0.095 R)
• M3: 1,150,707 km (0.103 R)
• M4: 2,603,751 km (0.111 R)
• M5: 3,582,570 km (0.05 R)
• M6: 6,817,773 km (0.082 R)
• M7: 7,988,825 km (0.069 R)
• M8: 10,489,204 km (0.038 R)
• M9: 10,964,926 km (0.1 R)
• M10: 11,413,719 km (0.099 R)
• M11: 15,558,478 km (0.11 R)
• M12: 18,134,403 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962

Radius: 7

Gravity: 19.63 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.98 AU - 8.8 AU

Year: 14539 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,318,108 km

• M1: 87,066 km (0.118 R)
• M2: 645,814 km (0.105 R)
• M3: 2,001,021 km (0.104 R)
• M4: 2,341,506 km (0.057 R)
• M5: 3,036,837 km (0.111 R)
• M6: 3,405,296 km (0.06 R)
• M7: 5,331,369 km (0.106 R)
• M8: 8,381,221 km (0.071 R)
• M9: 8,842,880 km (0.113 R)
• M10: 9,873,160 km (0.051 R)
• M11: 10,099,801 km (0.106 R)
• M12: 10,504,912 km (0.118 R)
• M13: 12,040,684 km (0.044 R)
• M14: 12,761,596 km (0.079 R)
• M15: 17,127,311 km (0.094 R)
• M16: 19,332,533 km (0.082 R)
• M17: 26,414,346 km (0.099 R)
• M18: 28,996,555 km (0.096 R)
• M19: 30,768,542 km (0.094 R)
• M20: 32,236,995 km (0.077 R)
• M21: 33,751,673 km (0.106 R)
• M22: 36,650,880 km (0.109 R)
• M23: 37,606,960 km (0.094 R)
• M24: 39,284,700 km (0.073 R)
• M25: 39,711,802 km (0.104 R)
• M26: 48,753,348 km (0.089 R)
• M27: 52,276,228 km (0.091 R)
• M28: 54,011,862 km (0.045 R)
• M29: 64,249,294 km (0.11 R)
• M30: 66,038,783 km (0.115 R)
• M31: 66,844,817 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.7

Radius: 7.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.11 AU - 11.19 AU

Year: 19665 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,318,108 km

• M1: 96,640 km (0.114 R)
• M2: 476,918 km (0.118 R)
• M3: 1,112,859 km (0.079 R)
• M4: 1,438,084 km (0.106 R)
• M5: 1,694,794 km (0.046 R)
• M6: 2,813,038 km (0.105 R)
• M7: 5,106,224 km (0.062 R)
• M8: 5,420,828 km (0.07 R)
• M9: 5,748,149 km (0.09 R)
• M10: 6,050,187 km (0.055 R)
• M11: 7,063,263 km (0.076 R)
• M12: 9,472,986 km (0.096 R)
• M13: 9,788,488 km (0.104 R)
• M14: 11,710,671 km (0.117 R)
• M15: 15,693,415 km (0.086 R)
• M16: 16,814,202 km (0.071 R)
• M17: 19,805,711 km (0.08 R)
• M18: 21,743,003 km (0.077 R)
• M19: 22,757,576 km (0.084 R)
• M20: 25,080,233 km (0.101 R)
• M21: 25,482,053 km (0.114 R)
• M22: 26,922,530 km (0.116 R)
• M23: 30,077,699 km (0.086 R)
• M24: 34,203,758 km (0.069 R)
• M25: 38,558,402 km (0.085 R)
• M26: 39,093,813 km (0.07 R)
• M27: 39,498,625 km (0.108 R)
• M28: 47,578,107 km (0.085 R)
• M29: 50,551,514 km (0.077 R)
• M30: 56,177,292 km (0.095 R)
• M31: 56,520,619 km (0.113 R)
• M32: 59,318,099 km (0.077 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 11,301 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit